Warren-Hay Mechanical
Warren-Hay Mechanical is a HVAC provider serving Hillsborough, CA. Rated 4.8★ with 406 Google reviews. See services, review signals, and request a quote.
HVACHillsborough, CA
On this page
Company overview
- TradeHVAC
- Service areaHillsborough, CA
- Google rating4.8★ (406 reviews)
- Phone(919) 732-4362
- Address214 Millstone Dr, Hillsborough, NC 27278, USA
Photos
Photos from Warren-Hay Mechanical, David Hunt, Avid Golfer
What customers say
“Lex was fantastic. Absolute credit to the company — truly great guy. Every experience with Warren Hay has been really positive. I highly recommend them. I need to also add that Warren Hay, last year…”
“I have used Warren-Hay for most of my HVAC needs for years. Their techs are very knowledgeable and courteous. They are also very honest. If something is an easy fix, they never hesitate to teach me ho…”
“I needed to get a new HVAC system and several of my neighbors recommended Warren Hay. Not only were their prices more affordable than other companies I looked into, but they also provided excellent se…”
“Had a fantastic experience with Warren-Hay! The communication was great from the office to let me know when the technician was on the way. And Nathan was warm, punctual, knowledgeable, extremely effic…”
“Over the past 3 years, I have received a high level of HVAC service from Warren Hay Company after.having years of frustrating and expensive service experiences.with another local HVAC company out of D…”
Key highlights
Strengths
- Highly rated (4.8★ average)
- Large review volume (406 reviews)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does Warren-Hay Mechanical offer?
Warren-Hay Mechanical provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Hillsborough, CA.
What is Warren-Hay Mechanical's rating?
Warren-Hay Mechanical has a 4.8 out of 5 star rating based on 406 Google reviews.
Is this company licensed in California?
All listed providers have a verified California contractor license at time of publication. You can verify on the Contractors State License Board (CSLB) lookup at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx.
Does Warren-Hay Mechanical offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: Contractors State License Board (CSLB) · Company data: verified business records + Google Business profile
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